4-Chloro-3-sulfamoylbenzoic acid
4-Chloro-3-sulfamoylbenzoic acid (CAS: 1205-30-7) is a key organic building block with the molecular formula ClC6H3(SO2NH2)CO2H and a molecular weight of 235.64 g/mol. This compound serves as a valuable intermediate in chemical synthesis, particularly within the fields of organic chemistry and materials science. Its structure, featuring a benzoic acid core functionalised with both a sulfamoyl and a chloro group, enables diverse reactions for creating more complex molecules.

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of complex organic molecules. Its functional groups allow for various derivatisation reactions, making it a versatile building block.
Research and Development
Employed in laboratory settings for novel compound discovery and process development. Researchers can explore its reactivity for creating new chemical entities.
Sulfonamide Derivative Synthesis
Serves as a starting material for producing a range of sulfonamide derivatives. These compounds often find applications in medicinal chemistry and materials science.
| Molecular weight | 235.64 |
|---|---|
| Linear formula | ClC6H3(SO2NH2)CO2H |
| Assay | 98% |
| Melting point | 256-258 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Chloro-3-sulfamoylbenzoic acid used for?
+
4-Chloro-3-sulfamoylbenzoic acid is primarily used as an intermediate in organic synthesis and in research and development for creating novel chemical entities and sulfonamide derivatives.
What is the CAS number and chemical formula?
+
The CAS number for 4-Chloro-3-sulfamoylbenzoic acid is 1205-30-7 and its chemical formula is ClC6H3(SO2NH2)CO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Chloro-3-sulfamoylbenzoic acid with an assay of 98%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, EP, or BP grade.
How should 4-Chloro-3-sulfamoylbenzoic acid be handled?
+
According to GHS information, this compound is a warning substance and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended personal protective equipment includes a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is 4-Chloro-3-sulfamoylbenzoic acid a controlled substance?
+
The provided data does not indicate that 4-Chloro-3-sulfamoylbenzoic acid is a controlled substance.
How is this chemical packed and shipped?
+
Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging for this chemical, adhering to international shipping regulations.
How can I request a quote or sample?
+
To request a quote or a sample of 4-Chloro-3-sulfamoylbenzoic acid, please contact our sales team via the website or direct inquiry.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis